Millerelix tholus (W. G. Binney, 1857)

    Drift associated with major flooding of the Brazos River, Quintana Beach County Park, Freeport, Brazoria County, Texas.  Steve Rosenthal! 24, 25, 27 June, 2016 (top - 10.5 mm. and bottom  - 9.4 mm.). Digital images by Lori Schroeder.